A system and method for electronically exchanging information related to telecommunication services includes separating data representing the information to be exchanged into predefined segments corresponding to telecommunication services, associating a segment identification code with each segment, and grouping each segment identification code with corresponding data. The system and method also include concatenating the segment identification codes and associated data according to a predefined sequence to form an electronic transaction and transmitting the electronic message to a telecommunications wholesaler or reseller. Preferably, the information is exchanged over a TCP/IP connection in an interactive, transaction-based exchange.